Costochondritis is a medical term to describe an inflammatory condition that occurs in the junction of the cartilage and the bone portions of a long bone. It is most commonly used to describe these changes in the ribs, which is a cause of anterior chest wall pain.
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2

Yes:
While costochondritis often causes the same type of pain whenever it acts up, it is a type of musculoskeletal pain. Musculoskeletal pains are extremely common in the general population with chest pain, and costochondritis patients are just as likely as anybody else to develop other types of musculoskeletal pain. Other common causes, e.g. Acid reflux, often co-exist as well.
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4

costochondritis:
Probably still costochondritis. It can be stubborn and difficult to treat. Make sure you are avoiding strenuous activities which may be preventing you from healing. Anti-inflammatory drugs are helpful.
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6

Chest pain:
I don't know. What is "amf" ? Some people have chest pain due to anxiety alone. Some have chest pain due only to a medical condition & others have pain from both a medical condition & anxiety. It looks like you have been getting a pretty extensive evaluation. See that you are taking benzodiazapines. They can cut through the symptom of anxiety but don't treat the underlying cause. If you have.
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10

Costochondritis:
Costochondritis can take a long time to go away as breathing can cause irritation as the chest moves in/out. We generally don't recommend not breating so anti-inflammatory drugs are out usual treatment. Your other symptoms are a bit unusual. Discuss your course with your Doctor.
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Many people with chest pain fear a heart attack. However, there are many possible causes of chest pain. Some causes are not dangerous to your health, while other causes are serious and even life-threatening.
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